今年,号称“纯天然、纯中药”的染发产品“一洗黑”被央视曝光添加了致癌物质对苯二胺,引起人们的热议,大家都很关心:染发剂是否会影响健康?染发剂拥有悠久的历史,据史料记载,公元前7世纪,古罗马人就学会了用一些天然植物色素进行简单的染发。公元1世纪的中国,人们已开始使用天然染 This year, the so-called “pure natural, pure Chinese medicine,” the hair products “a wash black ” was CCTV exposure added carcinogens p-phenylenediamine, arousing hot, everyone is concerned: hair dye will affect Hair dye has a long history, according to historical records, the ancient Romans learned to use a few natural plant pigments for simple hair coloring in the 7th century BC. In the 1st century AD of China, people started to use natural dyes